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KR100909730B1 - Hand drying device - Google Patents

Hand drying device Download PDF

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Publication number
KR100909730B1
KR100909730B1 KR1020077016912A KR20077016912A KR100909730B1 KR 100909730 B1 KR100909730 B1 KR 100909730B1 KR 1020077016912 A KR1020077016912 A KR 1020077016912A KR 20077016912 A KR20077016912 A KR 20077016912A KR 100909730 B1 KR100909730 B1 KR 100909730B1
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South Korea
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hand
drying
infrared light
infrared
high pressure
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KR20070092992A (en
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요시히로 후카야
šœ이치 모리
야스유키 이토이가와
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미쓰비시덴키 가부시키가이샤
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47KSANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00Body-drying implements; Toilet paper; Holders therefor
    • A47K10/48Drying by means of hot air
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00Chemistry: analytical and immunological testing
    • Y10T436/11Automated chemical analysis
    • Y10T436/111666Utilizing a centrifuge or compartmented rotor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00Chemistry: analytical and immunological testing
    • Y10T436/25Chemistry: analytical and immunological testing including sample preparation
    • Y10T436/2575Volumetric liquid transfer

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Domestic Plumbing Installations (AREA)

Abstract

고압 공기류를 발생한 고압 공기류 발생 장치(2)와, 고압 공기류 발생 장치(2)에 의해 생성된 고압 공기류를 분출하는 노즐(4)과, 손을 삽탈 가능한 손 삽입부(3)를 가지며, 이 손 삽입부(3)을 통하여 삽입된 손을 노즐(4)로부터 출사된 고압 공기류으로 건조 처리하는 건조처리 공간(6)이 형성된 건조처리 공간 형성부와, 건조처리 공간에 삽입된 손을 검출하기 위한 적외선 발광 소자 및 적외선 수광 소자가 건조처리 공간 형성부의 동일 벽면에 배설되는 하나 내지 복수의 손 검출 장치(8)를 구비하고, 손 검출 장치(8)의 검출 신호에 의거하여 고압 공기류 발생 장치(2)를 구동 제어하는 손 건조 장치에 있어서, 건조처리 공간 형성부의 벽면에서의 적어도 손 검출 장치(8)의 적외선 발광 소자에 대향한 부위에, 적외선의 반사율이 손보다도 작고 적외선을 흡수하는 적외선 흡수부(10)을 형성하고, 사용자 이외의 사람이 본체 부근에 근접한 때의 오동작을 고정밀도로 방지함과 함께, 손 검출 범위를 넓게 유지한다.The high pressure air flow generator 2 which generated the high pressure air flow, the nozzle 4 which blows out the high pressure air flow produced by the high pressure air flow generator 2, and the hand insertion part 3 which can remove a hand are And a drying treatment space forming portion having a drying treatment space 6 for drying the hands inserted through the hand inserting portion 3 with the high pressure air stream emitted from the nozzle 4, and inserted into the drying treatment space. An infrared light emitting element for detecting a hand and an infrared light receiving element are provided with one to a plurality of hand detecting devices 8 disposed on the same wall surface of the drying processing space forming unit, and the high pressure is based on a detection signal of the hand detecting device 8. In the hand drying apparatus for driving control of the airflow generating device 2, the reflectance of the infrared rays is smaller than the hand and the infrared rays is at least at a portion of the wall surface of the drying processing space forming portion facing the infrared light emitting element of the hand detecting apparatus 8. Absorbing Forming an infrared absorption portion (10), a malfunction when a person other than the user is close to the vicinity of the main body with the prevented with high accuracy, and maintaining a wide detecting range hand.

손 건조 장치 Hand drying device

Description

손 건조 장치{HAND DRYING DEVICE}Hand Drying Device {HAND DRYING DEVICE}

본 발명은, 세정 후의 젖은 손을 위생적으로 건조시키기 위한 손 건조 장치에 관한 것으로, 더욱 상세하게는 사람이 근접한 때의 오작동을 고정밀도로 방지하는 것이 가능한 손 건조 장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hand drying apparatus for hygienically drying wet hands after washing, and more particularly, to a hand drying apparatus capable of highly precisely preventing malfunctions when a person is in close proximity.

세정 후의 젖은 손을 건조시키는 장치로서, 고속 공기류(空氣流)에 의해 손에 부착한 물방울을 불어 날려서 건조시키는 손 건조 장치가 있다. 이 장치는, 상자체에 오목형상 형태로 처리 공간으로서의 손 삽입부가 마련되고, 손 삽입부에는 에어 노즐이 배설되어 있다. 에어 노즐에는 고압 공기류 발생 장치에 접속된 에어 덕트가 연결되고, 손 삽입부 내로 고속 공기류를 분출하도록 되어 있다. 손의 건조 처리에 수반하여 손 건조처리 공간 내로 불어 날려진 물은, 손 삽입부의 바닥부에 마련된 배수구로부터 손 삽입부의 하방에 구비된 드레인 용기에 적하하여 수용된다.As an apparatus for drying wet hands after washing, there is a hand drying apparatus that blows and dries water droplets attached to the hands by a high speed air stream. This apparatus is provided with the hand insertion part as a processing space in the concave shape in the box body, and the air nozzle is arrange | positioned at the hand insertion part. An air duct connected to the high pressure air flow generating device is connected to the air nozzle, and the high speed air flow is blown into the hand insertion portion. Water blown into the hand drying process space with the hand drying process is dripped into the drain container provided below the hand insert from the drain provided in the bottom part of the hand insert.

이와 같은 손 건조 장치에서는, 손 건조처리 공간을 형성하는 벽면에 적외선 발광 소자, 적외선 수광 소자로 이루어지는 손 검출 장치를 마련하고, 이 손 검출 장치에 의해 손 건조처리 공간으로의 손의 삽입을 검출하고, 그 검출 신호에 의거하여 고속 공기류를 분출시키도록 하고 있는 것이 많다.In such a hand drying apparatus, a hand detection device comprising an infrared light emitting element and an infrared light receiving element is provided on a wall surface forming the hand drying processing space, and the hand detection device detects the insertion of the hand into the hand drying processing space. In many cases, the high-speed air stream is blown out based on the detection signal.

적외선 발광 소자, 적외선 수광 소자의 배설 방식으로서는, 적외선 발광 소자 및 적외선 수광 소자를 손 건조처리 공간을 형성하는 예를 들면 정면측 벽면과 배면측 벽면에 대향하도록 배치하고, 수광 소자로의 광을 차단함으로써 손의 유무를 검출하는 투과형의 검출 방식이 있는데, 이 투과형의 검출 방식에서는, 적외선 발광 소자, 수광 소자를 별개의 위치에 배치하는 것이여서 본체의 구조가 복잡화하여 버리고, 송풍로의 압력 손실의 증가나, 본체의 비용 상승으로 되어 버린다는 문제가 있다.As an infrared light emitting element and an infrared light receiving element, the infrared light emitting element and the infrared light receiving element are arranged so as to face the front side wall surface and the back side wall surface to form a hand drying processing space, for example, and block light to the light receiving element. There is a transmission type detection method for detecting the presence or absence of a hand. In this transmission type detection method, the infrared light emitting element and the light receiving element are disposed at separate positions, which complicates the structure of the main body and reduces the pressure loss of the ventilation path. There is a problem that the increase or the cost of the main body will increase.

특허 문헌 1에는, 손 건조처리 공간에 삽입된 손을 검출하는 적외선 발광 소자, 적외선 수광 소자를 동일 벽면에 부착한 반사광 검출형의 손 검출 장치가 나타내여저 있다. 이 특허 문헌 1에서는, 동일 벽면에 배설된 적외선 발광 소자, 적외선 수광 소자를 취출구의 하방 내측에 조준이 맞도록 기울여서 배설함으로써, 손 검출 범위를 제한하고, 사용자 이외의 사람이 본체의 부근에 근접하여도 오동작하지 않도록 하고 있다.Patent Document 1 discloses an infrared light emitting element for detecting a hand inserted into a hand drying process space and a reflection detection type hand detecting device in which an infrared light receiving element is attached to the same wall surface. In Patent Document 1, the infrared light emitting element and the infrared light receiving element disposed on the same wall surface are tilted and disposed so as to be aimed at the lower inner side of the outlet, thereby limiting the hand detection range and allowing a person other than the user to approach the vicinity of the main body. It also prevents malfunction.

특허 문헌 1 : 특개평11-318760호 공보Patent Document 1: Japanese Patent Application Laid-Open No. 11-318760

그러나, 특허 문헌 1에 나타난 종래의 손 건조 장치에서는, 건조처리 공간을 형성하는 벽면에 적외선 반사에 대한 고려가 특히 이루어지고 있지 않기 때문에, 건조처리 공간을 형성하는 벽면에서 난반사하여 본체로부터 외부에 나가는 적외선이 많아지고, 사용자 이외의 사람이 본체 부근에 근접하면, 수광부가 검출하고, 동작을 시작하여 버린다는 오동작이 발생할 가능성이 높다.However, in the conventional hand drying apparatus described in Patent Document 1, since the infrared reflection is not particularly taken into consideration on the wall surface forming the drying treatment space, it diffuses outward from the main body by the diffuse reflection on the wall surface forming the drying treatment space. When the infrared rays increase and a person other than the user approaches the main body, there is a high possibility that a malfunction occurs that the light receiving unit detects and starts the operation.

또한, 특허 문헌 1에서는, 사람이 본체 부근에 근접한 때의 오동작을 없애기 위해, 손이 삽입된 때의 수광 강도 비교를 위한 기준치를, 사람이 본체 부근에 근접한 때보다도 높게 하고 있지만, 수광 강도 비교의 기준치를 높게 함에 의해, 손의 검출 범위가 좁아져 버린다.In addition, in Patent Document 1, in order to eliminate the malfunction when a person is near the main body, the reference value for the light reception intensity comparison when the hand is inserted is set higher than when the person is near the main body, By increasing the reference value, the detection range of the hand is narrowed.

본 발명은, 상기한 것을 감안하고 이루어진 것으로, 사용자 이외의 사람이 본체 부근에 근접한 때의 오동작을 고정밀도로 방지함과 함께, 손 검출 범위를 넓게 유지할 수 있는 손 건조 장치를 얻는 것을 목적으로 한다.This invention is made | formed in view of the above, and an object of this invention is to obtain the hand drying apparatus which can prevent the malfunction when a person other than a user is close to a main body vicinity with high precision, and can keep a hand detection range widely.

상술한 과제를 해결하고, 목적을 달성하기 위해, 본 발명은, 고압 공기류를 발생하는 고압 공기류 발생 장치와, 해당 고압 공기류 발생 장치에 의해 생성된 고압 공기류를 분출하는 노즐과, 손을 삽탈 가능한 손 삽입부를 가지며, 이 손 삽입부를 통하여 삽입된 손을 상기 노즐으로부터 출사된 고압 공기류로 건조 처리한 건조처리 공간이 형성된 건조처리 공간 형성부와, 상기 건조처리 공간에 삽입된 손을 검출하기 위한 적외선 발광 소자 및 적외선 수광 소자가 건조 공간 형성부의 동일 벽면에 배설된 하나 내지 복수의 손 검출 장치를 구비하고, 상기 손 검출 장치의 검출 신호에 의거하여 상기 고압 공기류 발생 장치를 구동 제어하는 손 건조 장치에 있어서, 상기 건조 공간 형성부의 벽면에서의 적어도 상기 손 검출 장치의 적외선 발광 소자에 대향하는 부위에, 적외선의 반사율이 손보다도 작고 적외선을 흡수하는 적외선 흡수부를 형성한 것을 특징으로 한다.MEANS TO SOLVE THE PROBLEM In order to solve the problem mentioned above and to achieve the objective, this invention is a high pressure airflow generation apparatus which produces | generates a high pressure airflow, the nozzle which blows out the high pressure airflow produced | generated by this high pressure airflow generation apparatus, and a hand. And a dry processing space forming unit having a dry processing space in which a dry processing space in which a hand inserted through the hand inserting portion is inserted and dried by the high-pressure air stream emitted from the nozzle is formed, and a hand inserted into the dry processing space. An infrared light emitting element and an infrared light receiving element for detecting are provided with one or more hand detection devices arranged on the same wall surface of a dry space formation part, and drive control of the said high pressure airflow generation device based on the detection signal of the hand detection device. A hand drying apparatus comprising: facing at least an infrared light emitting element of said hand detection apparatus on a wall surface of said drying space forming portion. Is characterized in that an infrared absorbing portion that absorbs infrared rays is formed at a portion smaller than the reflectance of infrared rays.

본 발명에 의하면, 건조 공간 형성부에 있어서의 적외선 발광 소자에 대향한 벽면에, 적외선의 반사율이 손보다도 작고 적외선을 흡수하는 적외선 흡수부를 형성하도록 하였기 때문에, 적외선 발광 소자로부터 발사된 적외선은, 대향 부위에 마련된 적외선 흡수부에서 거의 흡수되기 때문에, 사용자 이외의 사람이 본체 부근에 근접한 때의 적외선의 난반사에 의한 오동작을 고정밀도로 방지할 수 있다. 또한, 종래 기술과 같이, 손 검출 범위를 좁힐 필요가 없기 때문에, 사용중의 운전 정지 없게 쾌적하게 장치를 사용할 수 있다.According to the present invention, since the infrared reflecting portion is smaller than the hand and the infrared absorbing portion absorbing the infrared rays is formed on the wall surface facing the infrared light emitting element in the dry space forming portion, the infrared rays emitted from the infrared light emitting element are opposed. Since it is almost absorbed by the infrared absorption part provided in the site | part, it can prevent the malfunction by the diffuse reflection of the infrared rays when a person other than a user is close to a main body vicinity can be prevented with high precision. In addition, since the hand detection range does not need to be narrowed as in the prior art, the apparatus can be used comfortably without stopping operation during use.

도 1은 실시의 형태 1에서의 손 건조 장치를 도시하는 우측면 단면도.1 is a right side cross-sectional view showing a hand drying apparatus according to the first embodiment.

도 2는 실시의 형태 1에서의 손 검출 장치의 개략도.2 is a schematic diagram of a hand detection device according to the first embodiment;

도 3은 실시의 형태 1에서의 손 검출 장치의 개략도.3 is a schematic diagram of a hand detection device according to the first embodiment;

도 4는 실시의 형태 1에서의 손 건조 장치의 변형례를 도시하는 우측면 단면도.4 is a right side cross-sectional view showing a modification of the hand drying apparatus according to the first embodiment.

도 5는 실시의 형태 2에서의 손 건조 장치를 도시하는 우측면 단면도.FIG. 5 is a right side cross-sectional view showing the hand drying device according to the second embodiment. FIG.

<부호의 간단한 설명><Short description of symbols>

1 : 본체 상자체1: body box

2 : 고압 공기류 발생 장치2: high pressure air flow generator

3 : 손 삽입부3: hand insert

4 : 에어 노즐4: air nozzle

5 : 베이스5: Base

6 : 건조처리 공간6: drying treatment space

7 : 정면 패널7: front panel

8 : 손 검출 장치8: hand detection device

9 : 적외선 발광 소자9: infrared light emitting element

10 : 적외선 흡수부10: infrared absorption unit

12 : 배수구12: drain

13 : 배수관13: drain pipe

14 : 드레인 용기14: drain container

15 : 에어 필터15: air filter

16 : 송풍로16: blower

18 : 공기 취입구18: air inlet

19 : 적외선 수광 소자19: infrared light receiving element

20 : 적외선 발광 소자20: infrared light emitting element

21 : 손21: hand

이하에, 본 발명에 관한 손 건조 장치의 실시의 형태를 도면에 의거하여 상세히 설명하다. 또한, 이 실시의 형태에 의해 본 발명이 한정되는 것이 아니다.EMBODIMENT OF THE INVENTION Below, embodiment of the hand drying apparatus which concerns on this invention is described in detail based on drawing. In addition, this invention is not limited by this embodiment.

실시의 형태 1.Embodiment 1.

도 1 내지 도 3을 이용하여 본 발명의 실시의 형태 1에 관해 설명한다. 도 1은, 실시의 형태 1의 손 건조 장치의 우측면 단면도를 도시하는 것이고, 도 2, 도 3은 손 검출 장치에 관한 부분을 도시하는 평면도이다.EMBODIMENT OF THE INVENTION Embodiment 1 of this invention is demonstrated using FIG. FIG. 1: shows right side sectional drawing of the hand drying apparatus of Embodiment 1, and FIG. 2, FIG. 3 is a top view which shows the part which concerns on a hand detection apparatus.

도 1에 도시하는 바와 같이, 이 손 건조 장치는, 배면 외각을 이루는 베이 스(5)와, 정면 외각을 이루는 정면 패널(7)로 구성되는 본체 상자체(1)를 갖는다. 본체 상자체(1)의 상부측에는, 손 삽입부(3) 및 건조처리 공간(6)으로서 기능하는 오목형상 공간이 형성되어 있다. 오목형상 공간은, 양측면이 개방되고, 손의 삽탈 가능한 개방 싱크형상을 나타내고 있다.As shown in FIG. 1, this hand-drying apparatus has the main body box 1 comprised from the base 5 which forms a back outer shell, and the front panel 7 which forms a front outer shell. In the upper side of the main body box 1, the recessed space which functions as the hand insertion part 3 and the drying process space 6 is formed. In the concave space, both sides are open, and an open sink shape in which a hand can be removed is shown.

본체 상자체(1) 내에는, 고압 공기류 발생 장치(2)가 조립되어 있고, 고압 공기류 발생 장치(2)에 의해 생성된 고압 공기류은 송풍로(16)를 통하여 손 삽입부(3)의 부근의 정면측 벽면 및 배면측 벽면에 마련된 에어 노즐(4)로 유도된다. 이들 에어 노즐(4)로부터 고속 공기류를 손 삽입부(3) 내로 분사하여, 손 삽입부(3)에 넣은 손에 부착된 수분을 건조처리 공간(6)으로 불어 날리고, 불어 날린 물을 오목형상 공간의 바닥의 경사가 있는 물받이부에서 회수하고, 그 회수한 물을 경사 하단의 배수구(12)를 통하여 드레인 용기(14)에 모으도록 되어 있다.In the main body box 1, a high pressure air flow generating device 2 is assembled, and the high pressure air flow generated by the high pressure air flow generating device 2 passes through the air blower 16 to the hand inserting portion 3. It guides to the air nozzle 4 provided in the front side wall surface and the back side wall surface of the vicinity of. From these air nozzles 4, high-speed air flow is injected into the hand inserting portion 3, and the moisture attached to the hand placed in the hand inserting portion 3 is blown into the drying treatment space 6, and the blown water is concave. It collect | recovers in the inclined drip tray part of the bottom of a shape space, and collect | recovers the collect | recovered water to the drain container 14 through the drain opening 12 of a slope lower end.

배수구(12)에는 물을 운반하는 배수관(13)이 접속되어 있다. 배수관(13)에서 운반된 물을 저류하는 개방 용기 구조의 드레인 용기(14)는, 전후 방향으로의 빼고꽂음에 의해 탈착 가능하게 마련되어 있다. 드레인 용기(14)에는 떼어냄이 가능한 뚜껑이 마련되어 있다. 또한, 드레인 용기(14)와 뚜껑은, 내약품성이 있는 PP 또는 ABS 수지 등으로 만들어지고, 중성세제 및 알코올 등을 사용하여 세정하고 청소할 수 있다. 또한, 건조처리 공간(6)을 형성하는 벽면에는, 실리콘계 또는 불소계 등의 발수성 코팅, 또는 산화티탄 등의 친수성을 갖는 코팅, 또는 항균제가 함침되어, 표면에의 오물 부착의 경감이나 세균의 번식의 저감이 도모되어 있다.A drain pipe 13 carrying water is connected to the drain port 12. The drain container 14 of the open container structure which stores the water conveyed by the drain pipe 13 is provided so that attachment and detachment are possible by pulling out in the front-back direction. The drain container 14 is provided with a lid that can be removed. In addition, the drain container 14 and the lid are made of chemically resistant PP or ABS resin, and can be cleaned and cleaned using a neutral detergent, alcohol, or the like. In addition, the wall surface forming the drying treatment space 6 is impregnated with a water-repellent coating such as silicone or fluorine, or a hydrophilic coating such as titanium oxide, or an antibacterial agent to reduce dirt adhere to the surface and to propagate bacteria. Reduction is aimed at.

고압 공기류 발생 장치(2)는, DC 브러시레스 모터(통상의 정류자 모터 또는 유도전동기라도 좋다)와, 이것을 구동시키는 구동 회로와, DC 브러시레스 모터에 의해 회전하는 터보 팬에 의해 구성되고, 이 실시의 형태에서는 손 삽입부(3)의 바로 아래에 부착되어 있다. 17은 송풍기의 흡입구, 18은 상자체(1)의 하방에 마련된 공기 취입구이고, 공기 취입구(18)은 착탈 가능한 에어 필터(15)를 통하여 공기를 흡입할 수 있도록 되어 있다.The high-pressure airflow generator 2 is constituted by a DC brushless motor (may be a normal commutator motor or an induction motor), a drive circuit for driving the same, and a turbo fan that is rotated by a DC brushless motor. In embodiment, it is attached directly under the hand insertion part 3. 17 is an intake port of the blower, 18 is an air intake port provided below the box 1, and the air intake port 18 is able to inhale air through the removable air filter 15. As shown in FIG.

건조처리 공간(6)을 형성하는 벽면의 배면측에는, 손 검출 장치(8)이 마련되어 있고, 이손 검출 장치(8)의 검출 신호에 의거하여 손 삽입부(3)를 통하여 건조처리 공간(6)에 삽입된 손의 유무를 검출한다. 손 검출 장치(8)는, 적외선 발광 소자(20) 및 적외선 수광 소자(19)와, 적외선 발광 소자(20) 및 적외선 수광 소자(19)가 탑재된 기판(도시 생략)과, 기판을 지지하는 홀더(도시 생략) 및 물방울 등의 침입을 방지하고 적외선 신호를 투과할 수 있는 커버(도시 생략)를 구비하고 있다. 이손 검출 장치(8)는, 도 2 또는 도 3에 도시하는 바와 같이, 1조(組) 또는 복수조의 적외선 발광 소자(20) 및 적외선 수광 소자(19)가 동일 벽면에 배설되어 있고, 적외선 발광 소자(20)로부터 출력되는 광이 손(21)에서 반사한 광을 적외선 수광 소자(19)가 검출함으로써 손의 유무를 검출한다는 반사형의 검출 장치의 구성이 채용되어 있다.The hand detection apparatus 8 is provided in the back side of the wall surface which forms the drying process space 6, and the drying process space 6 is carried out through the hand insertion part 3 based on the detection signal of the tooth loss detection apparatus 8. Detects the presence of a hand inserted into the card. The hand detection device 8 includes a substrate (not shown) on which the infrared light emitting element 20 and the infrared light receiving element 19, the infrared light emitting element 20 and the infrared light receiving element 19 are mounted, and which supports the substrate. A holder (not shown) and a cover (not shown) capable of preventing intrusion of water droplets and the like and transmitting infrared signals are provided. As shown in FIG. 2 or FIG. 3, in the loss detection apparatus 8, a pair or a plurality of sets of infrared light emitting elements 20 and infrared light receiving elements 19 are disposed on the same wall surface, and infrared light emission is performed. The structure of the reflection type detection apparatus which detects the presence or absence of a hand is employ | adopted by the infrared light receiving element 19 which detects the light which the light output from the element 20 reflected from the hand 21 is employ | adopted.

손 검출 장치는, 도 2에 도시하는 바와 같이, 1조의 적외선 발광 소자(20) 및 적외선 수광 소자(19)로 구성하여도 좋고, 도 3에 도시하는 바와 같이 복수조의 적외선 발광 소자(20) 및 적외선 수광 소자(19)로 구성하여도 좋고, 필요한 검지 범위에 응하여 배설 개수를 결정한다.As shown in FIG. 2, the hand detection device may be constituted by a set of infrared light emitting elements 20 and an infrared light receiving element 19. As illustrated in FIG. 3, a plurality of sets of infrared light emitting elements 20 and The infrared light receiving element 19 may be configured, and the number of excretion is determined in accordance with the required detection range.

적외선 수광 소자(19)의 검출 신호는, 마이크로 컴퓨터를 탑재한 제어 회로(도시 생략)에 입력되고, 제어 회로가 적외선 수광 소자(19)에서의 검출 신호와 소정의 기준치를 비교하고, 검출치가 기준치보다 크면, 손이 삽입되었다고 판단한다. 제어 회로는, 손이 삽입되었다고 판단한 경우, 고압 공기류 발생 장치(2)에 통전하여 에어 노즐(4)로부터 고속 공기류를 분출시켜 운전을 시작하고, 손에서의 반사가 없어저서 적외선 수광 소자(19)에서의 검출 신호가 기준치 이하로 되면, 운전을 정지한다.The detection signal of the infrared light receiving element 19 is input to a control circuit (not shown) equipped with a microcomputer, and the control circuit compares the detection signal at the infrared light receiving element 19 with a predetermined reference value, and the detected value is a reference value. If greater, it is determined that a hand is inserted. When it is determined that the hand is inserted, the control circuit energizes the high-pressure airflow generating device 2 to blow up the high-speed airflow from the air nozzle 4 to start operation, and there is no reflection from the hand. When the detection signal in 19) becomes below the reference value, the operation is stopped.

여기서, 도 1 내지 도 3에 도시하는 바와 같이, 건조처리 공간(6)을 형성하는 내벽면중, 적어도 손 검출 장치(8)의 적외선 발광 소자(20)에 대향하는 부위에는, 적외선의 반사율이 손보다도 작고 적외선을 흡수하는 적외선 흡수부(10)를 마련하고 있다. 이 경우는, 손 검출 장치(8)가 건조처리 공간(6)을 형성하는 내벽면중 배면측의 내벽면에 마련되어 있기 때문에, 적외선 흡수부(10)는 정면측의 내벽면에 마련하고 있다. 도 1의 경우는, 높이가 다른 2개의 위치에 적외선 흡수부(10)가 마련되어 있지만, 이들 2개의 위치에 대향하도록 2개의 적외선 발광 소자(20)가 배설되어 있다. 도 1의 경우는, 건조처리 공간(6)을 형성하는 내벽면중 적외선 발광 소자(20)에 대향하는 부위에만 적외선 흡수부(10)를 마련하도록 하고 있지만, 건조처리 공간(6)의 내벽면 전부에 적외선 흡수부(10)을 마련하도록 하여도 좋다. 또한, 도 1의 경우는, 손 검출 장치(8)가 1개와 적외선 흡수부(10)가 2개로 구성되어 있지만, 필요에 응하여 손 검출 장치를 건조 공간 내에 예를 들면 상하 방향으로 복수개 배치하고 있어도 좋다.Here, as shown in FIGS. 1-3, the reflectance of an infrared ray is in the site | part facing the infrared light emitting element 20 of the hand detection apparatus 8 at least in the inner wall surface which forms the drying process space 6. As shown to FIG. The infrared absorption part 10 which is smaller than a hand and absorbs infrared rays is provided. In this case, since the hand detection apparatus 8 is provided in the inner wall surface of the back side among the inner wall surfaces which form the drying process space 6, the infrared absorption part 10 is provided in the inner wall surface of the front side. In the case of FIG. 1, although the infrared absorption part 10 is provided in two positions from which a height differs, the two infrared light emitting elements 20 are arrange | positioned so as to oppose these two positions. In the case of FIG. 1, the infrared absorbing portion 10 is provided only at a portion of the inner wall surface forming the drying processing space 6 facing the infrared light emitting element 20, but the inner wall surface of the drying processing space 6 is provided. The infrared absorption part 10 may be provided in all. In addition, in the case of FIG. 1, although the hand detection apparatus 8 is comprised by one and the infrared absorber 10 two, even if it arrange | positions a plurality of hand detection apparatus in a drying space, for example in the up-down direction as needed. good.

적외선 흡수부(10)는, 적외선에 대한 반사율이 작고 적외선의 흡수률이 클수록 바람직하고, 예를 들면 흑색 등의 농도가 진한 색재를 도포하든지, 또는 표면이 진한 색의 재료, 재질을 이용하여 형성한다.The infrared absorbing portion 10 is preferably smaller in reflectance to infrared rays and larger in absorption ratio to infrared rays. For example, the infrared absorbing portion 10 is formed by applying a color material having a high concentration such as black or by using a material or material having a dark surface. .

상기 구성에 있어서, 손 미삽입시에는 적외선 흡수부(10)로부터의 반사가 적고, 적외선 수광 소자(19)에는 거의 적외광이 입력되지 않는다. 손(21)을 건조처리 공간(6) 내에 삽입한 때에는 적외선 발광 소자(20)의 반사광이 손(21)에서 반사하여, 적외선 수광 소자(19)에 입력되고, 제어 회로에 탑재된 마이크로 컴퓨터가 손 있음의 상태를 검출하고, 운전을 시작한다.In the above configuration, when the hand is not inserted, the reflection from the infrared absorbing portion 10 is less, and the infrared light receiving element 19 hardly receives infrared light. When the hand 21 is inserted into the drying process space 6, the reflected light of the infrared light emitting element 20 is reflected from the hand 21, input to the infrared light receiving element 19, and the microcomputer mounted on the control circuit is Detect the status of hand in hand and start driving.

여기서, 사용자 이외의 사람이 본체 주변에 근접한 경우, 건조처리 공간(6) 내의 벽면에 적외선 흡수부(10)가 없는 경우에는, 적외선 발광 소자(20)의 적외광이 건조처리 공간(6) 내에서 난반사하고, 본체 외부로 출력되고, 그 적외광이 사람에게서 반사하고, 적외선 수광 소자(19)에 입력되어, 오동작에 이르는 경우가 있다. 또한, 상기 오동작을 방지하기 위해, 종래 기술과 같이, 운전 시작의 기준치를 높게 설정한 경우는 반사광량을 많이 필요로 하기 때문에, 손 검출 범위가 좁아저 버린다. 그러나, 본 실시의 형태와 같이, 적외선 발광 소자(20)와 대향하는 건조처리 공간(6) 내의 벽면에 적외선 흡수부(10)을 마련한 경우는, 외부로 출력되는 광은 거의 없어서, 운전하는 기준치를 낮은 설정으로 할 수가 있고, 손 검출 범위를 넓게 할 수가 있다.Here, when a person other than a user is near the main body, when there is no infrared absorbing part 10 in the wall surface in the drying process space 6, the infrared light of the infrared light emitting element 20 in the drying process space 6 Diffusely reflects the light, is output to the outside of the main body, the infrared light is reflected from a person, input to the infrared light receiving element 19, and may cause malfunction. In addition, in order to prevent the above malfunction, when the reference value for starting operation is set high, as in the prior art, a large amount of reflected light is required, so that the hand detection range is narrowed. However, when the infrared absorption part 10 is provided in the wall surface in the drying process space 6 which opposes the infrared light emitting element 20 like this embodiment, there is hardly the light output to the outside, and a reference value to operate Can be set to a low setting, and the hand detection range can be widened.

또한 종래의 손 검출 방식에는, 적외선 발광 소자, 적외선 수광 소자를 건조처리 공간의 벽면에 대향하여 별개의 위치에 배치하고, 수광 소자에의 광을 차단함 으로써 손의 유무를 검출하고, 운전을 시작한 방식도 있다. 이 방식에서는, 건조처리 공간에 소망하는 벽면의 본체 정면측과 배면측에 각각 손 검출 장치를 구비할 필요가 있다. 또한, 양호한 손 검지를 얻기 위해서는, 노즐 주변에 손 검출 장치를 배치할 필요가 있다. 상기한 배치를 행한 경우, 제 1의 문제로서, 운전 시작의 양호한 검지 위치를 얻기 위해, 송풍로의 일부를 폐색한 위치에 손 검출 장치를 배치할 필요가 있기 때문에, 송풍로의 압력 손실이 증가한다. 제 2의 문제로서, 운전 정지의 양호한 검지 위치를 얻기 위해서는, 손 검출 장치를 본체 정면측 최상부에 배치할 필요가 있기 때문에, 수 삽입 위치가 높아지고, 사용감이 나빠저 버린다.In addition, in the conventional hand detection method, the infrared light emitting element and the infrared light receiving element are disposed at different positions to face the wall surface of the drying process space, and the light is detected by blocking the light to the light receiving element to start the operation. There is also a way. In this system, it is necessary to provide the hand detection apparatus in the main body front side and the back side of the desired wall surface in a drying process space, respectively. In addition, in order to obtain good hand detection, it is necessary to arrange the hand detection device around the nozzle. In the case where the above arrangement is made, as a first problem, in order to obtain a good detection position at the start of operation, it is necessary to arrange the hand detection device at a position in which a part of the air passage is closed, so that the pressure loss in the air passage increases. do. As a second problem, in order to obtain a good detection position of driving stop, it is necessary to arrange the hand detection device at the top of the main body front side, so that the number insertion position becomes high, resulting in a bad feeling of use.

이와 같은 과제도 반사 방식에 의한 손 검출 장치를 채용함으로써, 정면측 또는 배면측의 어느 한쪽에 손 검출 장치를 집약할 수 있기 때문에 송풍로 주변의 구조가 간소화할 수 있고, 비용 저감이 됨과 함께, 송풍로의 압력 손실이 개선된다. 또한, 손 검출 장치(8)는, 본체 정면측 최상부(11)에 배치할 필요 없이, 도 1에 도시하는 바와 같이, 건조처리 공간(6)의 깊은곳 근처에 배설할 수 있어서, 사용감이 향상한다. 또한, 도 3에 도시하는 바와 같이, 적외선 수광 소자(19) 및 적외선 발광 소자(20)의 개수를 늘림으로써, 본체 가로 나비가 길어진 경우에도, 손 검출 범위를 건조처리 공간(6) 내로 할 수 있다.In such a problem, since the hand detection device by the reflection method is adopted, the hand detection device can be concentrated on either the front side or the back side, so that the structure around the air passage can be simplified and the cost can be reduced. The pressure loss of the furnace is improved. Moreover, the hand detection apparatus 8 can be arrange | positioned near the deep part of the drying process space 6, as shown in FIG. 1, without having to arrange | position to the uppermost part 11 of a main body front side, and usability improves. do. As shown in Fig. 3, by increasing the number of the infrared light receiving elements 19 and the infrared light emitting elements 20, the hand detection range can be made into the drying processing space 6 even when the main body horizontal butterfly is lengthened. have.

상기 반사식에 있어서, 건조처리 공간(6)의 정면측 벽면과 배면측 벽면의 거리가 넓은 경우(150㎜ 정도)는, 손 미삽입시의 벽면에 의한 적외선 반사량과 손 삽입시의 손에 의한 반사량의 차가 충분히 얻어지기 때문에, 반사식의 손 검출 장치를 구비하는 것만으로 좋지만, 상기 벽면 사이의 거리가 좁은 경우(40 내지 100㎜ 정도)는, 손 미삽입시의 벽면에 의한 적외선 반사량과 손 삽입시의 손에 의한 반사량의 차가 충분히 얻어지지 않기 때문에, 양호한 검지 감도를 얻을 수가 없다.In the above reflection type, when the distance between the front side wall surface and the back side wall surface of the drying processing space 6 is large (about 150 mm), the infrared reflection amount by the wall surface at the time of non-insertion of the hand and the hand insertion at the time of hand insertion Since the difference in the amount of reflection is sufficiently obtained, it is only necessary to provide a reflective hand detection device. However, when the distance between the walls is narrow (about 40 to 100 mm), the amount of infrared reflection by the wall at the time of non-insertion of the hand and the hand Since the difference of the reflection amount by the hand at the time of insertion is not fully acquired, favorable detection sensitivity cannot be obtained.

이 문제는, 전술한 바와 같이, 적외선 발광 소자에 대향하는 부위에 손보다도 반사율이 적은 적외선 흡수부(10)을 마련함에 의해, 건조처리 공간(6)의 거리가 좁은 손 건조 장치라도 양호한 검지 감도를 얻을 수 있다.As described above, by providing the infrared absorbing portion 10 with less reflectance than the hand in a portion facing the infrared light emitting element, even a hand drying apparatus having a narrow distance of the drying processing space 6 can provide a good detection sensitivity. Can be obtained.

또한, 손 삽입시의 삽입감·사용감을 좋게 하기 위해서는, 정면측 패널(7)과 건조처리 공간(6)의 내벽면 사이가 얇은 쪽이 좋고, 손 검출 장치가 정면측, 배면측 각각 배치해 있는 경우, 정면측 손 검출 장치에 의해 상기 정면 패널 - 내벽면 사이가 두꺼워저 버려 삽입감·사용감을 해치기 때문에, 상기 반사식의 손 검출 장치(8)와 적외선 흡수부를 조합한 손 검출 방식을 이용함에 의해, 건조처리 공간 배면측에 손 검출 장치를 집약할 수 있고, 양호한 사용감을 얻을 수 있다.In addition, in order to improve the feeling of insertion and usability at the time of hand insertion, the thinner side between the front side panel 7 and the inner wall surface of the drying processing space 6 is better, and the hand detection device is disposed on the front side and the back side, respectively. If there is a front side hand detection device, the front panel and the inner wall surface become thicker, and the insertion and use feeling is impaired. Therefore, the hand detection method combining the reflective hand detection device 8 and the infrared absorber is used. By this, the hand detection apparatus can be concentrated on the back side of the drying process space, and good usability can be obtained.

도 4는 실시의 형태 1의 손 건조 장치의 변형례를 도시하는 것으로, 도 4에서는, 손 검출 장치(8)을, 건조처리 공간(6)의 정면측의 내벽면에 배설하고 있다. 이 경우는, 손 검출 장치(8)를 건조처리 공간(6)의 정면측의 내벽면에 배설하고 있기 때문에, 적외선 흡수부(10)는 건조처리 공간(6)을 형성하는 내벽면중 배면측의 내벽면에 마련하고 있다.FIG. 4 shows a modification of the hand drying apparatus according to the first embodiment. In FIG. 4, the hand detection apparatus 8 is disposed on the inner wall surface of the front side of the drying processing space 6. In this case, since the hand detection apparatus 8 is arrange | positioned at the inner wall surface of the front side of the drying process space 6, the infrared absorption part 10 is the back side of the inner wall surface which forms the drying process space 6. On the inner wall surface.

실시의 형태 2.Embodiment 2.

다음에, 도 5에 따라 실시의 형태 2의 손 건조 장치에 관해 설명한다. 이 실시의 형태 2에서는, 적외선 발광 소자(20) 및 적외선 수광 소자(19)로 이루어지는 손 검출 장치(8)를 건조처리 공간(6) 내의 배면측에 배치하고, 상기 손 검출 장 치(8)의 적외선 수광 소자(19)에 대향하는 정면측의 위치에 적외선 발광 소자(9)를 마련하고 있고, 건조처리 공간(6)에서의 손 삽입부(3)의 부근에 삽입된 손은, 손 검출 장치(8)에 내장되는 적외선 발광 소자(20) 및 적외선 수광 소자(19)에 의한 반사형의 구성에 의해 검출하고, 건조처리 공간(6)의 속측에 삽입된 손은 적외선 발광 소자(9)와 적외선 수광 소자(19)에 의한 투과형의 구성에 의해 검출하고 있다. 적외선 수광 소자(19)에서 수광된 적외선 발광 소자(20) 및 적외선 발광 소자(9)로부터의 적외선(A, B)은, 타이밍적인 제어 또는 파장 식별 등을 행함에 의해 적절히 식별된다.Next, the hand-drying apparatus of Embodiment 2 is demonstrated according to FIG. In this Embodiment 2, the hand detection apparatus 8 which consists of the infrared light emitting element 20 and the infrared light receiving element 19 is arrange | positioned at the back side in the drying process space 6, and the said hand detection apparatus 8 is carried out. The infrared light emitting element 9 is provided at a position on the front side facing the infrared light receiving element 19 in the vicinity of the hand insertion portion 3 in the drying processing space 6. The infrared light emitting device 20 incorporated in the device 8 and the infrared light receiving device 19 are detected by the reflection type configuration, and the hand inserted into the inside of the drying space 6 is the infrared light emitting device 9. And the transmission type configuration by the infrared light receiving element 19 is detected. The infrared light emitting element 20 and the infrared rays A and B from the infrared light emitting element 9 received by the infrared light receiving element 19 are appropriately identified by performing timing control or wavelength identification.

이 경우, 손 검출 장치(8)의 적외선 발광 소자(20) 및 적외선 발광 소자(9)중의 어느 하나로부터의 적외선(A, B)를 차단함에 의해 손을 검출하는 방식이고, 적외선(B)의 지점까지 손이 삽입되면, 제어 회로에 탑재된 마이크로 컴퓨터에 신호가 송신되고, 고압 공기류 발생 장치(2)가 운전을 시작한다. 또한, 적외선(A)를 손 삽입부(3)의 부근에 배치하고 있기 때문에, 손 삽입부(3) 주변에 손이 있는 경우에도 운전이 계속됨과 함께, 손이 없는 경우는 확실하게 운전을 정지한다.In this case, the hand is detected by blocking the infrared rays A and B from any one of the infrared light emitting element 20 and the infrared light emitting element 9 of the hand detection device 8, and the infrared ray B When the hand is inserted to the point, a signal is transmitted to the microcomputer mounted in the control circuit, and the high pressure airflow generating device 2 starts to operate. In addition, since the infrared ray A is disposed in the vicinity of the hand inserting portion 3, the operation continues even when there is a hand around the hand inserting portion 3, and the operation is reliably stopped when there is no hand. do.

이와 같이 실시의 형태 2에서는, 반사형의 적외선 발광 소자 및 적외선 수광 소자와, 투과형의 적외선 발광 소자 및 적외선 수광 소자의 협동에 의해 건조처리 공간(6)에 삽입된 손을 검출하고 있고, 반사형의 적외선 발광 소자에 대향하는 부위에는, 전술한 적외선 흡수부(10)가 마련되어 있다.Thus, in Embodiment 2, the hand inserted in the drying process space 6 is detected by the cooperation of a reflection type infrared light emitting element and an infrared light receiving element, and a transmission type infrared light emitting element and an infrared light receiving element, The infrared absorption part 10 mentioned above is provided in the site | part which opposes the infrared light emitting element of this.

또한, 도 5의 경우는 손 검출 장치(8)의 적외선 수광 소자(19)에 의해, 적외선 발광 소자(20, 9)로부터 발생되는 적외선을 공통으로 수광하도록 하였지만, 적외선 발광 소자(9)로부터 발하여지는 적외선을 전용(專用)으로 수광하는 적외선 수광 소자를 건조처리 공간(6) 내의 배면측에 별도로 마련하도록 하여도 좋다. 또한, 손 검출 장치(8)가 마련된 벽면측(도 5의 경우는 배면측)에, 투과형 검출을 행하기 위한 전용의 적외선 발광 소자를 마련하고, 이 전용의 적외선 발광 소자에 대해 건조처리 공간(6)을 사이에 두고 대향하는 부위에(도 5의 경우는 정면측), 그 전용의 적외선 발광 소자로부터의 적외선을 수광하는 적외선 수광 소자를 마련하도록 하여도 좋다.In addition, in the case of FIG. 5, the infrared light receiving element 19 of the hand detection apparatus 8 receives the infrared light generated from the infrared light emitting elements 20 and 9 in common, but is emitted from the infrared light emitting element 9. An infrared light receiving element that exclusively receives infrared rays may be separately provided on the back side in the drying processing space 6. In addition, an infrared light emitting element dedicated to performing transmissive detection is provided on the wall surface side (back side in FIG. 5) provided with the hand detection device 8, and a drying process space ( An infrared light receiving element for receiving infrared light from the dedicated infrared light emitting element may be provided at a portion facing each other (6).

이상과 같이, 본 발명에 관한 손 건조 장치는, 적외선 발광 소자 및 적외선 수광 소자에 의해 삽입된 손을 검출하는 손 검출 장치를 구비한 손 건조 장치에 유용하다.As mentioned above, the hand drying apparatus which concerns on this invention is useful for the hand drying apparatus provided with the hand detection apparatus which detects the hand inserted by an infrared light emitting element and an infrared light receiving element.

Claims (9)

고압 공기류를 발생하는 고압 공기류 발생 장치와,A high pressure air flow generating device for generating a high pressure air flow; 해당 고압 공기류 발생 장치에 의해 생성된 고압 공기류를 분출하는 노즐과,A nozzle for ejecting the high pressure air stream generated by the high pressure air flow generator; 손을 삽탈 가능한 손 삽입부를 가지며, 이 손 삽입부를 통하여 삽입된 손을 상기 노즐로부터 출사된 고압 공기류로 건조 처리하는 건조처리 공간이 형성된 건조처리 공간 형성부와,A drying treatment space forming portion having a hand inserting portion into which a hand can be removed, and a drying processing space for drying the hand inserted through the hand inserting portion with the high-pressure air stream emitted from the nozzle; 상기 건조처리 공간에 삽입된 손을 검출하기 위한 적외선 발광 소자 및 적외선 수광 소자가 건조처리 공간 형성부의 동일 벽면에 배설되는 하나 내지 복수의 손 검출 장치를 구비하고,An infrared light emitting element and an infrared light receiving element for detecting a hand inserted into the drying processing space are provided with one to a plurality of hand detecting devices disposed on the same wall surface of the drying processing space forming portion, 상기 손 검출 장치의 검출 신호에 의거하여 상기 고압 공기류 발생 장치를 구동 제어한 손 건조 장치에 있어서,In the hand drying apparatus which drive-controlled the said high pressure air flow generating device based on the detection signal of the said hand detection apparatus, 상기 건조 공간 형성부의 벽면에서의 적어도 상기 손 검출 장치의 적외선 발광 소자에 대향하는 부위에, 적외선의 반사율이 손보다도 작고 적외선을 흡수하는 적외선 흡수부를 형성한 것을 특징으로 하는 손 건조 장치.An infrared absorbing portion having a reflectance of infrared rays smaller than a hand and absorbing infrared rays is formed on at least a portion of the wall surface of the drying space forming portion facing the infrared light emitting element of the hand detecting apparatus. 제 1항에 있어서,The method of claim 1, 상기 손 검출 장치를 건조처리 공간의 배면측에 집약한 것을 특징으로 하는 손 건조 장치.And said hand detection device is concentrated on the back side of the drying processing space. 제 1항에 있어서,The method of claim 1, 적외선 흡수부에는, 적외선의 반사율이 손보다도 적은 색 또는 재료가 사용되는 것을 특징으로 하는 손 건조 장치.The infrared ray absorbing part is a hand drying apparatus characterized by using a color or material of which the infrared reflectance is less than that of the hand. 제 2항에 있어서,The method of claim 2, 적외선 흡수부에는, 적외선의 반사율이 손보다도 적은 색 또는 재료가 사용되는 것을 특징으로 하는 손 건조 장치.The infrared ray absorbing part is a hand drying apparatus characterized by using a color or material of which the infrared reflectance is less than that of the hand. 제 1항에 있어서,The method of claim 1, 상기 건조처리 공간의 정면측과 배면측의 거리는, 40 내지 100㎜ 정도인 것을 특징으로 하는 손 건조 장치.The distance between the front side and the back side of the said drying process space is about 40-100 mm, The hand drying apparatus characterized by the above-mentioned. 제 2항에 있어서,The method of claim 2, 상기 건조처리 공간의 정면측과 배면측의 거리는, 40 내지 100㎜ 정도인 것을 특징으로 하는 손 건조 장치.The distance between the front side and the back side of the said drying process space is about 40-100 mm, The hand drying apparatus characterized by the above-mentioned. 제 3항에 있어서,The method of claim 3, wherein 상기 건조처리 공간의 정면측과 배면측의 거리는, 40 내지 100㎜ 정도인 것을 특징으로 하는 손 건조 장치.The distance between the front side and the back side of the said drying process space is about 40-100 mm, The hand drying apparatus characterized by the above-mentioned. 제 4항에 있어서,The method of claim 4, wherein 상기 건조처리 공간의 정면측과 배면측의 거리는, 40 내지 100㎜ 정도인 것을 특징으로 하는 손 건조 장치.The distance between the front side and the back side of the said drying process space is about 40-100 mm, The hand drying apparatus characterized by the above-mentioned. 제 1항에 있어서,The method of claim 1, 상기 건조처리 공간을 사이에 두고 대향하는 적외선 발광 소자 및/또는 적외선 수광 소자를 또한 구비하고, 해당 대향 배치된 적외선 발광 소자 및/또는 적외선 수광 소자와 상기 손 검출 장치와의 협동에 의해 건조처리 공간에 삽입된 손을 검출하는 것을 특징으로 하는 손 건조 장치.And further comprising an infrared light emitting element and / or an infrared light receiving element facing each other with the drying processing space interposed therebetween, wherein the dry processing space is formed in cooperation with the oppositely disposed infrared light emitting element and / or infrared light receiving element and the hand detection device. Hand drying apparatus for detecting a hand inserted in the.
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